550973443 has 2 divisors, whose sum is σ = 550973444. Its totient is φ = 550973442.

The previous prime is 550973431. The next prime is 550973503. The reversal of 550973443 is 344379055.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 550973443 - 2²¹ = 548876291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 550973396 and 550973405.

It is not a weakly prime, because it can be changed into another prime (550973543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275486721 + 275486722.

It is an arithmetic number, because the mean of its divisors is an integer number (275486722).

Almost surely, 2^550973443 is an apocalyptic number.

550973443 is a deficient number, since it is larger than the sum of its proper divisors (1).

550973443 is an equidigital number, since it uses as much as digits as its factorization.

550973443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 40.

The square root of 550973443 is about 23472.8234986761. The cubic root of 550973443 is about 819.8043569542.

The spelling of 550973443 in words is "five hundred fifty million, nine hundred seventy-three thousand, four hundred forty-three".